#393958
Closest named color: Dark Grey Blue (#29465B). oklch(35.9% 0.053 283.4), rgb(57, 57, 88).
Aa
White text reads best on this color (11.05:1).
About this color
#393958 is a dark, muted purple. In OKLCH its lightness is 36%, its chroma 0.053 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.043 away. White text reads best on it, at 11.05:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 1.90:1 |
| White text | 11.05:1 |
Values
| HEX | #393958 |
| RGB | rgb(57, 57, 88) |
| HSL | hsl(240, 21%, 28%) |
| OKLCH | oklch(35.9% 0.053 283.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #393958 | 11.05:1 | AAA | Lc -99.4 | Preferred for body text |
| Black text on #393958 | 1.90:1 | Fails | Lc 8.4 | Not readable |
| #393958 text on white | 11.05:1 | AAA | Lc 95.5 | Preferred for body text |
| #393958 text on black | 1.90:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E8E9F2
oklch(93.6% 0.012 281.1)
-
Step 200
200
#D7D8E8
oklch(88.6% 0.022 283.1)
-
Step 300
300
#BDBEDA
oklch(81% 0.039 283.9)
-
Step 400
400
#9B9CC8
oklch(70.8% 0.064 283.6)
-
Step 500
500
#8383BA
oklch(63.1% 0.082 283.8)
-
Step 600
600
#6C6CA6
oklch(55.6% 0.089 283.1)
-
Step 700
700
#5B5A8E
oklch(49.1% 0.082 283.8)
-
Step 800
800
#4A4A73
oklch(42.7% 0.067 283.2)
-
Step 900
900 (this color)
#393958
oklch(35.9% 0.053 283.4)
-
Step 950
950
#242437
oklch(26.9% 0.035 283.8)
#393958 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #303D59 | 0.017 |
| Deuteranopia (no green cones) | #2F3B57 | 0.016 |
| Tritanopia (no blue cones) | #313F44 | 0.047 |
| Achromatopsia (no color) | #3C3C3C | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #393958
#393958
oklch(35.9% 0.053 283.4)
- #423E1B
#423E1B
oklch(35.9% 0.053 102.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #393958, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.043
- Dark Blue Grey #1F3B4D ΔE 0.044
- Prussian Blue #1D3557 ΔE 0.044
- Onyx #343A40 ΔE 0.045
- Charcoal #264653 ΔE 0.050
- Gunmetal #293241 ΔE 0.052
- Charcoal Grey #3C4142 ΔE 0.053
- Space Cadet #2B2D42 ΔE 0.056
Use #393958 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.